There is a slight chance of showers Saturday morning; otherwise, it will be pleasant weekend, with highs in the lower 80s and lows in the 60s.
Today, the sun will rise at 6:42:43 a.m. and set at 8:25:58 p.m.
On Saturday, the sun will rise at 6:43:43 a.m. and set at 8:24:31 p.m.
While the risk of flash flooding remains the greatest risk to lives and property, gusty thunderstorms will bring the potential for falling trees and power outages to the northeastern United States to end the week.
The ground is soggy and soft following relentless rounds of rain this summer over a large part of the central Appalachians and portions of the mid-Atlantic and New England.
“Trees have been drawing a great deal of moisture up their trunk and limb systems due to above-normal rainfall that has been pummeling the area during July and August,” AccuWeather senior meteorologist Alex Sosnowski said. “Many trees may be top-heavy as a result. Even an isolated, non-severe thunderstorm has the potential to bring down large tree limbs and even topple trees in this situation.”
Sosnowski further reports there is a chance the thunderstorms will be more robust than the garden variety summer storm and may occur on a more regional basis during this afternoon and evening.
In large portions of New York state, Pennsylvania, northern New Jersey, northern Maryland, northwestern Virginia and West Virginia, a mere 0.50 to 1 inch of rain in three hours can trigger flash flooding, according to the National Weather Service (NWS) mid-Atlantic River Forecast Center.
Motorists are reminded never to drive through flooded roadways, even if the road surface is visible. The foundation beneath the road surface may have been weakened and could crumble without notice.
Each year in the U.S., more fatalities (more than 140) occur due to flooding than from any other thunderstorm-related hazard, according to a NWS bulletin.
The risk of flooding downpours will extend across much of the Northeast region today and then settle southward over the Tennessee Valley, mid-Atlantic and central Appalachians this weekend.
Here is the Norwalk-area forecast from the National Weather Service:
Today - Showers likely, with thunderstorms also possible after noon. Patchy fog before 10 a.m. Otherwise, mostly cloudy, with a high near 81. Southwest wind 7 to 9 mph. Chance of precipitation is 70 percent. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight - Showers likely and possibly a thunderstorm before 9 p.m., then a chance of showers and thunderstorms between 9 p.m. and 2 a.m., then a chance of showers after 2 a.m. Mostly cloudy, with a low around 67. Light southwest wind. Chance of precipitation is 60 percent. New rainfall amounts between a quarter and half of an inch possible.
Saturday - A slight chance of showers before 1 p.m. Mostly cloudy, with a high near 80. Light and variable wind becoming northeast 6 to 11 mph in the morning. Chance of precipitation is 20 percent.
Saturday night - Partly cloudy, with a low around 63.
Sunday - Mostly sunny, with a high near 82.
Sunday night - Mostly clear, with a low around 64.
Monday - Partly sunny, with a high near 83.
Monday night - Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60 percent.
Tuesday - Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60 percent.
Tuesday night - A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30 percent.
Wednesday - Mostly sunny, with a high near 74.
Wednesday night - Mostly clear, with a low around 57.
Thursday - Sunny, with a high near 78.
EDITOR’S NOTE: AccuWeather senior meteorologist Alex Sosnowski contributed to this story.